Respuesta :

derekl2027

Answer:

100

Step-by-step explanation:

200-300= -100 But the negative of a negative is a positive so the answer is: 100.

H4SHIM
To find out u, you can do the following:

1) Subtract 300 from both sides to get:

-u = -100

2) Divide both sides by -1:

Therefore u = 100

Hope this has helped your question.